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Finding the Fourth Proportional to 111,573.70, 167,360.56 and 32,687.94

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Solution

The fourth proportional to 111,573.70, 167,360.56 and 32,687.94 is: 49,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,573.70 : 167,360.56 = 32,687.94 : x
  2. Step 2: Convert to fraction form
    111,573.70/167,360.56 = 32,687.94/x
  3. Step 3: Cross multiply
    111,573.70x = 167,360.56 × 32,687.94
  4. Step 4: Simplify right side
    111,573.70x = 5,470,671,943.65
  5. Step 5: Solve for x
    x = 5,470,671,943.65/111,573.70
  6. Step 6: Final answer
    x = 49,031.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.